A073937 - cp's OEIS frontend

A073937 a(n) = a(n-1) - a(n-2) + a(n-3) + a(n-4), a(0)=4, a(1)=1, a(2)=-1, a(3)=1.

n	a(n)
0	4
1	1
2	-1
3	1
4	7
5	6
6	-1
7	1
8	15
9	19
10	4
11	1
12	31
13	53
14	27
15	6
16	63
17	137
18	107
19	39
20	132
21	337
22	351
23	185
24	303
25	806
26	1039
27	721
28	791
29	1915
30	2884
31	2481
32	2303
33	4621
34	7683
35	7846
36	7087
37	11545
38	19987
39	23375
40	22020
41	30177
42	51519
43	66737
44	67415
45	82374
46	133215
47	184993
48	201567
49	232163
50	348804

[4, 1, -1, 1, 7, 6, -1, 1, 15, 19, 4, 1, 31, 53, 27, 6, 63, 137, 107, 39, 132, 337, 351, 185, 303, 806, 1039, 721, 791, 1915, 2884, 2481, 2303, 4621, 7683, 7846, 7087, 11545, 19987, 23375, 22020, 30177, 51519, 66737, 67415, 82374, 133215, 184993, 201567, 232163, 348804]

cp's OEIS Frontend

A073937 a(n) = a(n-1) - a(n-2) + a(n-3) + a(n-4), a(0)=4, a(1)=1, a(2)=-1, a(3)=1.

Table of values

List of values